100=20t+6t^2

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Solution for 100=20t+6t^2 equation:


Simplifying
100 = 20t + 6t2

Solving
100 = 20t + 6t2

Solving for variable 't'.

Reorder the terms:
100 + -20t + -6t2 = 20t + -20t + 6t2 + -6t2

Combine like terms: 20t + -20t = 0
100 + -20t + -6t2 = 0 + 6t2 + -6t2
100 + -20t + -6t2 = 6t2 + -6t2

Combine like terms: 6t2 + -6t2 = 0
100 + -20t + -6t2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(50 + -10t + -3t2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(50 + -10t + -3t2)' equal to zero and attempt to solve: Simplifying 50 + -10t + -3t2 = 0 Solving 50 + -10t + -3t2 = 0 Begin completing the square. Divide all terms by -3 the coefficient of the squared term: Divide each side by '-3'. -16.66666667 + 3.333333333t + t2 = 0 Move the constant term to the right: Add '16.66666667' to each side of the equation. -16.66666667 + 3.333333333t + 16.66666667 + t2 = 0 + 16.66666667 Reorder the terms: -16.66666667 + 16.66666667 + 3.333333333t + t2 = 0 + 16.66666667 Combine like terms: -16.66666667 + 16.66666667 = 0.00000000 0.00000000 + 3.333333333t + t2 = 0 + 16.66666667 3.333333333t + t2 = 0 + 16.66666667 Combine like terms: 0 + 16.66666667 = 16.66666667 3.333333333t + t2 = 16.66666667 The t term is 3.333333333t. Take half its coefficient (1.666666667). Square it (2.777777779) and add it to both sides. Add '2.777777779' to each side of the equation. 3.333333333t + 2.777777779 + t2 = 16.66666667 + 2.777777779 Reorder the terms: 2.777777779 + 3.333333333t + t2 = 16.66666667 + 2.777777779 Combine like terms: 16.66666667 + 2.777777779 = 19.444444449 2.777777779 + 3.333333333t + t2 = 19.444444449 Factor a perfect square on the left side: (t + 1.666666667)(t + 1.666666667) = 19.444444449 Calculate the square root of the right side: 4.409585519 Break this problem into two subproblems by setting (t + 1.666666667) equal to 4.409585519 and -4.409585519.

Subproblem 1

t + 1.666666667 = 4.409585519 Simplifying t + 1.666666667 = 4.409585519 Reorder the terms: 1.666666667 + t = 4.409585519 Solving 1.666666667 + t = 4.409585519 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1.666666667' to each side of the equation. 1.666666667 + -1.666666667 + t = 4.409585519 + -1.666666667 Combine like terms: 1.666666667 + -1.666666667 = 0.000000000 0.000000000 + t = 4.409585519 + -1.666666667 t = 4.409585519 + -1.666666667 Combine like terms: 4.409585519 + -1.666666667 = 2.742918852 t = 2.742918852 Simplifying t = 2.742918852

Subproblem 2

t + 1.666666667 = -4.409585519 Simplifying t + 1.666666667 = -4.409585519 Reorder the terms: 1.666666667 + t = -4.409585519 Solving 1.666666667 + t = -4.409585519 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1.666666667' to each side of the equation. 1.666666667 + -1.666666667 + t = -4.409585519 + -1.666666667 Combine like terms: 1.666666667 + -1.666666667 = 0.000000000 0.000000000 + t = -4.409585519 + -1.666666667 t = -4.409585519 + -1.666666667 Combine like terms: -4.409585519 + -1.666666667 = -6.076252186 t = -6.076252186 Simplifying t = -6.076252186

Solution

The solution to the problem is based on the solutions from the subproblems. t = {2.742918852, -6.076252186}

Solution

t = {2.742918852, -6.076252186}

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